Nature-Inspired Optimization of Aperiodic Metasurfaces for Antenna Beam-shaping

被引：0
|
作者：
Hoorfar, Ahinad [1 ]
Israel, Christopher [1 ]
机构：
[1] Villanova Univ, ECE Dept, Antenna Res Lab, Villanova, PA 19085 USA
来源：
2019 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND USNC-URSI RADIO SCIENCE MEETING | 2019年
关键词：
partially reflective surface; metasurface; aperiodic array; antenna beam-shaping; evolutionary optimization; GENETIC ALGORITHMS;
D O I：
10.1109/apusncursinrsm.2019.8888865
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Partially Reflective Surfaces (PRS) are highly reflective metasurfaces that are well-suited in the design of antennas for beamforming and high gain wireless applications, particularly in the mm-wave regime. Periodic PRS, made of uniformly spaced elements, however, limits the design of the antenna with regard to the trade-off between gain, sidelobe level, or achieving a prescribed arbitrary pattern. Aperiodic PRS, made of non-uniformly spaced inclusions provide more degrees of freedom in antenna synthesis and design. In this work we investigate optimal design of aperiodic PRS for various antenna functionality using several nature inspired global optimization techniques. Numerical examples and experimental verification of a prototype for achieving a shaped beam pattern is given.
引用
收藏
页码：1035 / 1036
页数：2
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